In ear headphones series creative aurvana type of fitting in ear transmission mode wired features gold plated jacks music functions pause play volume call functions answer call end call sound function in line volume control sensitivity 110 dbmw impedance 42 ohm frequency response 15 16000 hz number of drivers 1 length of cable 12 m types of cable straight cable ofc double sided jacks 35 mm 4 pole jack plug for apple blackberry jack sha